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1386046225 = 52179309731
BaseRepresentation
bin101001010011101…
…0110001100010001
310120121002102222101
41102213112030101
510314311434400
6345311440401
746230125044
oct12247261421
93517072871
101386046225
11651429053
12328226101
131912043c5
14d211cc5b
1581a3a56a
hex529d6311

1386046225 has 12 divisors (see below), whose sum is σ = 1728304560. Its totient is φ = 1102638800.

The previous prime is 1386046201. The next prime is 1386046241. The reversal of 1386046225 is 5226406831.

It is not a de Polignac number, because 1386046225 - 215 = 1386013457 is a prime.

It is a super-2 number, since 2×13860462252 = 3842248275673501250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150391 + ... + 159340.

It is an arithmetic number, because the mean of its divisors is an integer number (144025380).

Almost surely, 21386046225 is an apocalyptic number.

It is an amenable number.

1386046225 is a deficient number, since it is larger than the sum of its proper divisors (342258335).

1386046225 is a wasteful number, since it uses less digits than its factorization.

1386046225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309920 (or 309915 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1386046225 is about 37229.6417522382. The cubic root of 1386046225 is about 1114.9598744165.

The spelling of 1386046225 in words is "one billion, three hundred eighty-six million, forty-six thousand, two hundred twenty-five".

Divisors: 1 5 25 179 895 4475 309731 1548655 7743275 55441849 277209245 1386046225